revert log config changes causing Shell test failures

Author: stoty

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/resources/log4j.properties

@@ -12,7 +12,7 @@
 
 # log4j configuration used during build and unit tests
 
-log4j.rootLogger=ALL,stdout
+log4j.rootLogger=info,stdout
 log4j.threshold=ALL
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout